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Installing/Configuring
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Last updated: Mon, 26 Oct 2026
Network
Introduction
Provides various networking functions.
Installing/Configuring
Requirements
Resource Types
Predefined Constants
Network Functions
checkdnsrr
— Check DNS records corresponding to a given Internet host name or IP address
closelog
— Close connection to system logger
dns_check_record
— Alias of checkdnsrr
dns_get_mx
— Alias of getmxrr
dns_get_record
— Fetch DNS Resource Records associated with a hostname
fsockopen
— Open Internet or Unix domain socket connection
gethostbyaddr
— Get the Internet host name corresponding to a given IP address
gethostbyname
— Get the IPv4 address corresponding to a given Internet host name
gethostbynamel
— Get a list of IPv4 addresses corresponding to a given Internet host name
gethostname
— Gets the host name
getmxrr
— Get MX records corresponding to a given Internet host name
getprotobyname
— Get protocol number associated with protocol name
getprotobynumber
— Get protocol name associated with protocol number
getservbyname
— Get port number associated with an Internet service and protocol
getservbyport
— Get Internet service which corresponds to port and protocol
header
— Send a raw HTTP header
header_register_callback
— Call a header function
header_remove
— Remove previously set headers
headers_list
— Returns a list of response headers sent (or ready to send)
headers_sent
— Checks if or where headers have been sent
http_clear_last_response_headers
— Clears the stored HTTP response headers
http_get_last_response_headers
— Retrieve last HTTP response headers
http_response_code
— Get or Set the HTTP response code
inet_ntop
— Converts a packed internet address to a human readable representation
inet_pton
— Converts a human readable IP address to its packed in_addr representation
ip2long
— Converts a string containing an (IPv4) Internet Protocol dotted address into a long integer
long2ip
— Converts a long integer address into a string in (IPv4) Internet standard dotted format
net_get_interfaces
— Get network interfaces
openlog
— Open connection to system logger
pfsockopen
— Open persistent Internet or Unix domain socket connection
request_parse_body
— Read and parse the request body and return the result
setcookie
— Send a cookie
setrawcookie
— Send a cookie without urlencoding the cookie value
socket_get_status
— Alias of stream_get_meta_data
socket_set_blocking
— Alias of stream_set_blocking
socket_set_timeout
— Alias of stream_set_timeout
syslog
— Generate a system log message
mqseries_strerror
Installing/Configuring
Other Services
Last updated: Mon, 26 Oct 2026